Brian Crower Valve Springs and Retainer Kit Nissan 350z / Infiniti G35 VQ35DE Vehicle Model_RX-8 methanol fuels up to M100

methanol fuels up to M100 and all types of gasoline

This product is designed and built with the intent of increasing the boost output of any forced induction system

Wiring: 5-Wire

Rear: 15/16in(24mm) Hollow (bar weight 5

Brian Crower Valve Springs and Retainer Kit Nissan 350z / Infiniti G35 VQ35DE Vehicle Model_RX-8 methanol fuels up to M100Part #: BC0220 Designed for high rpm, BC valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. Specs: Spring Pressure Seat: 1. 440" @ 100 lbs Open: 0. 990" @ 236 lbs Coil Bind: 0. 815" (no machine work required)